Patentable/Patents/US-6078089
US-6078089

Semiconductor device having cobalt niobate-metal silicide electrode structure and process of fabrication thereof

PublishedJune 20, 2000
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

Patent Claims
21 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A semiconductor device, comprising: a substrate; and a electrode structure disposed over the substrate, the electrode structure including a cobalt niobate insulating layer and an electrode layer disposed over the cobalt niobate insulating layer, the electrode layer including cobalt silicide.

2

2. The semiconductor device of claim 1, wherein the electrode layer is a cobalt silicide layer.

3

3. The semiconductor device of claim 1, wherein the cobalt niobate insulating layer has a thickness ranging from about 100 to 400 .ANG..

4

4. The semiconductor device of claim 1, wherein the cobalt silicide is formed in a layer that has a thickness ranging from about 1,000 to 3,000 .ANG..

5

5. The semiconductor device of claim 1, wherein the cobalt niobate insulating layer has a thickness ranging from about 100 to 400 .ANG., and the cobalt silicide is formed in a layer that has a thickness ranging from about 1,000 to 3,000 .ANG..

6

6. The semiconductor device of claim 1, wherein the electrode structure is a gate electrode structure.

7

7. The semiconductor device of claim 1, wherein the insulating layer and the electrode layer are a gate insulating layer and a gate electrode layer, respectively.

8

8. A semiconductor device, comprising: a substrate; and an electrode structure disposed over the substrate, the electrode structure including a cobalt niobate insulating layer and an electrode layer disposed over the cobalt niobate insulating layer, wherein the cobalt niobate insulating layer includes a fluorine-bearing species near the substrate.

9

9. The semiconductor device of claim 8, wherein the electrode structure is a gate electrode structure.

10

10. The semiconductor device of claim 8, wherein the insulating layer and the electrode layer are a gate insulating layer and a gate electrode layer, respectively.

11

11. The semiconductor device of claim 8, wherein the cobalt niobate insulating layer has a thickness ranging from about 100 to 400 .ANG..

12

12. A semiconductor device, comprising: a substrate; and an electrode structure disposed over the substrate, the electrode structure including a cobalt niobate insulating layer and an electrode layer disposed over the cobalt niobate insulating layer, wherein the electrode layer includes a cobalt silicide layer and a cobalt layer.

13

13. The semiconductor device of claim 12, wherein the electrode structure is a gate electrode structure, and the insulating layer and the electrode layer are a gate insulating layer and a gate electrode layer, respectively.

14

14. The semiconductor device of claim 12, wherein the cobalt niobate gate insulating layer has a thickness ranging from about 100 to 400 .ANG..

15

15. A semiconductor device, comprising: a nonceramic substrate; and a electrode structure disposed over the substrate, the electrode structure including a cobalt niobate insulating layer and an electrode layer disposed over the cobalt niobate insulating layer.

16

16. The semiconductor device of claim 15, wherein the electrode layer includes a cobalt silicide layer.

17

17. The semiconductor device of claim 15, wherein the cobalt niobate insulating layer has a thickness ranging from about 100 to 400 .ANG..

18

18. The semiconductor device of claim 15, wherein the electrode layer includes a cobalt silicide formed in a layer that has a thickness ranging from about 1,000 to 3,000 .ANG..

19

19. The semiconductor device of claim 18, wherein the cobalt niobate insulating layer has a thickness ranging from about 100 to 400 .ANG..

20

20. The semiconductor device of claim 15, wherein the substrate includes a source region and a drain region, and wherein the electrode structure is a gate electrode structure adjacent the source and drain regions and the insulating layer and the electrode layer are a gate insulating layer and a gate electrode layer, respectively.

21

21. A semiconductor device, comprising: a substrate including a source region and a drain region; and a gate electrode structure disposed over the substrate, the gate electrode structure including a cobalt niobate gate insulating layer adjacent the source and drain regions and a gate electrode layer disposed over the cobalt niobate insulating layer.

Detailed Description

Complete technical specification and implementation details from the patent document.

While the invention is amenable to various modifications and alternative

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Patent Metadata

Filing Date

Unknown

Publication Date

June 20, 2000

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